I have had high fertility for 3 days now ☺️

Maricica • Mummy to Ella born sleeping 23/7/17 👼🏻💝 mummy to josh born 19/5/18 💙🌈
I Have had high fertility for the last 3day Monday I got it in the morning and yesterday I got high fertility in the afternoon so I test this morning and I got high fertility again I have not had my peak yet am on day 15 of my cycle  should I keep test to day 21 or just stop at day 16 am lost can anyone help 😞😞